The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 29, 1990
Filed:
Feb. 02, 1989
Applicant:
Inventors:
Hans R Meier, Marly, CH;
Samuel Evans, Marly, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
546158 ; 546165 ; 546166 ;
Abstract
Compounds useful as additives for lubricants, hydraulic oils and metal-working fluids include those of formula IV ##STR1## where R.sup.1 and R.sup.2 are independently alkyl or substituted aryl, R.sup.3 and R.sup.13 are independently hydrogen or methyl, R.sup.6 is alkyl, alkenyl, aralkyl or substituted benzyl, and R.sup.15 and R.sup.16 are independently hydrogen, alkyl, aryl or aralkyl.